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-rw-r--r--source4/libcli/auth/smbencrypt.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/source4/libcli/auth/smbencrypt.c b/source4/libcli/auth/smbencrypt.c
index 6eb8767140..096f51e49b 100644
--- a/source4/libcli/auth/smbencrypt.c
+++ b/source4/libcli/auth/smbencrypt.c
@@ -544,6 +544,28 @@ bool decode_pw_buffer(uint8_t in_buffer[516], char *new_pwrd,
}
/***********************************************************
+ encode a password buffer with an already unicode password. The
+ rest of the buffer is filled with random data to make it harder to attack.
+************************************************************/
+bool set_pw_in_buffer(uint8_t buffer[516], DATA_BLOB *password)
+{
+ if (password->length > 512) {
+ return false;
+ }
+
+ memcpy(&buffer[512 - password->length], password->data, password->length);
+
+ generate_random_buffer(buffer, 512 - password->length);
+
+ /*
+ * The length of the new password is in the last 4 bytes of
+ * the data buffer.
+ */
+ SIVAL(buffer, 512, password->length);
+ return true;
+}
+
+/***********************************************************
decode a password buffer
*new_pw_size is the length in bytes of the extracted unicode password
************************************************************/